1330536131 has 4 divisors (see below), whose sum is σ = 1388385552. Its totient is φ = 1272686712.

The previous prime is 1330536101. The next prime is 1330536187. The reversal of 1330536131 is 1316350331.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1316350331 = 16231 ⋅81101.

It is a cyclic number.

It is not a de Polignac number, because 1330536131 - 2¹⁴ = 1330519747 is a prime.

It is a super-2 number, since 2×1330536131² = 3540652791792898322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1330536131.

It is not an unprimeable number, because it can be changed into a prime (1330536101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28924676 + ... + 28924721.

It is an arithmetic number, because the mean of its divisors is an integer number (347096388).

Almost surely, 2^1330536131 is an apocalyptic number.

1330536131 is a deficient number, since it is larger than the sum of its proper divisors (57849421).

1330536131 is an equidigital number, since it uses as much as digits as its factorization.

1330536131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57849420.

The product of its (nonzero) digits is 2430, while the sum is 26.

The square root of 1330536131 is about 36476.5147869146. The cubic root of 1330536131 is about 1099.8721975487.

Adding to 1330536131 its reverse (1316350331), we get a palindrome (2646886462).

The spelling of 1330536131 in words is "one billion, three hundred thirty million, five hundred thirty-six thousand, one hundred thirty-one".